See also:

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. ...

For US customers
The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediate ...

Display on the Control Display
Display the computer or trip computer on the Control Display. 1. "Vehicle Info" 2. "Onboard info" or "Trip computer" Resetting the fuel consumption and speed 1. & ...